Home / 27,621.76-38,116.32-16,291.73

Finding the Fourth Proportional to 27,621.76, 38,116.32 and 16,291.73

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Solution

The fourth proportional to 27,621.76, 38,116.32 and 16,291.73 is: 22,481.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,621.76 : 38,116.32 = 16,291.73 : x
  2. Step 2: Convert to fraction form
    27,621.76/38,116.32 = 16,291.73/x
  3. Step 3: Cross multiply
    27,621.76x = 38,116.32 × 16,291.73
  4. Step 4: Simplify right side
    27,621.76x = 620,980,919.87
  5. Step 5: Solve for x
    x = 620,980,919.87/27,621.76
  6. Step 6: Final answer
    x = 22,481.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.